diff options
Diffstat (limited to 'packages/glibc/2.17/0050-glibc-ppc64le-28.patch')
| -rw-r--r-- | packages/glibc/2.17/0050-glibc-ppc64le-28.patch | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/packages/glibc/2.17/0050-glibc-ppc64le-28.patch b/packages/glibc/2.17/0050-glibc-ppc64le-28.patch new file mode 100644 index 0000000..05f63e9 --- /dev/null +++ b/packages/glibc/2.17/0050-glibc-ppc64le-28.patch @@ -0,0 +1,167 @@ +# commit 43b84013714c46e6dcae4a5564c5527777ad5e08 +# Author: Alan Modra <amodra@gmail.com> +# Date: Sat Aug 17 18:45:31 2013 +0930 +# +# PowerPC LE strcpy +# http://sourceware.org/ml/libc-alpha/2013-08/msg00100.html +# +# The strcpy changes for little-endian are quite straight-forward, just +# a matter of rotating the last word differently. +# +# I'll note that the powerpc64 version of stpcpy is just begging to be +# converted to use 64-bit loads and stores.. +# +# * sysdeps/powerpc/powerpc64/strcpy.S: Add little-endian support: +# * sysdeps/powerpc/powerpc32/strcpy.S: Likewise. +# * sysdeps/powerpc/powerpc64/stpcpy.S: Likewise. +# * sysdeps/powerpc/powerpc32/stpcpy.S: Likewise. +# +diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/stpcpy.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/stpcpy.S +--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/stpcpy.S 2014-05-28 13:40:01.000000000 -0500 ++++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/stpcpy.S 2014-05-28 13:40:01.000000000 -0500 +@@ -74,7 +74,22 @@ + + mr rALT, rWORD + /* We've hit the end of the string. Do the rest byte-by-byte. */ +-L(g1): rlwinm. rTMP, rALT, 8, 24, 31 ++L(g1): ++#ifdef __LITTLE_ENDIAN__ ++ rlwinm. rTMP, rALT, 0, 24, 31 ++ stbu rALT, 4(rDEST) ++ beqlr- ++ rlwinm. rTMP, rALT, 24, 24, 31 ++ stbu rTMP, 1(rDEST) ++ beqlr- ++ rlwinm. rTMP, rALT, 16, 24, 31 ++ stbu rTMP, 1(rDEST) ++ beqlr- ++ rlwinm rTMP, rALT, 8, 24, 31 ++ stbu rTMP, 1(rDEST) ++ blr ++#else ++ rlwinm. rTMP, rALT, 8, 24, 31 + stbu rTMP, 4(rDEST) + beqlr- + rlwinm. rTMP, rALT, 16, 24, 31 +@@ -87,6 +102,7 @@ + CHECK_BOUNDS_HIGH (rDEST, rHIGH, twlgt) + STORE_RETURN_VALUE (rDEST) + blr ++#endif + + /* Oh well. In this case, we just do a byte-by-byte copy. */ + .align 4 +diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/strcpy.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/strcpy.S +--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/strcpy.S 2014-05-28 13:40:01.000000000 -0500 ++++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/strcpy.S 2014-05-28 13:40:01.000000000 -0500 +@@ -78,7 +78,22 @@ + + mr rALT, rWORD + /* We've hit the end of the string. Do the rest byte-by-byte. */ +-L(g1): rlwinm. rTMP, rALT, 8, 24, 31 ++L(g1): ++#ifdef __LITTLE_ENDIAN__ ++ rlwinm. rTMP, rALT, 0, 24, 31 ++ stb rALT, 4(rDEST) ++ beqlr- ++ rlwinm. rTMP, rALT, 24, 24, 31 ++ stb rTMP, 5(rDEST) ++ beqlr- ++ rlwinm. rTMP, rALT, 16, 24, 31 ++ stb rTMP, 6(rDEST) ++ beqlr- ++ rlwinm rTMP, rALT, 8, 24, 31 ++ stb rTMP, 7(rDEST) ++ blr ++#else ++ rlwinm. rTMP, rALT, 8, 24, 31 + stb rTMP, 4(rDEST) + beqlr- + rlwinm. rTMP, rALT, 16, 24, 31 +@@ -90,6 +105,7 @@ + stb rALT, 7(rDEST) + /* GKM FIXME: check high bound. */ + blr ++#endif + + /* Oh well. In this case, we just do a byte-by-byte copy. */ + .align 4 +diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/stpcpy.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/stpcpy.S +--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/stpcpy.S 2014-05-28 13:40:01.000000000 -0500 ++++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/stpcpy.S 2014-05-28 13:40:01.000000000 -0500 +@@ -75,7 +75,22 @@ + + mr rALT, rWORD + /* We've hit the end of the string. Do the rest byte-by-byte. */ +-L(g1): rlwinm. rTMP, rALT, 8, 24, 31 ++L(g1): ++#ifdef __LITTLE_ENDIAN__ ++ rlwinm. rTMP, rALT, 0, 24, 31 ++ stbu rALT, 4(rDEST) ++ beqlr- ++ rlwinm. rTMP, rALT, 24, 24, 31 ++ stbu rTMP, 1(rDEST) ++ beqlr- ++ rlwinm. rTMP, rALT, 16, 24, 31 ++ stbu rTMP, 1(rDEST) ++ beqlr- ++ rlwinm rTMP, rALT, 8, 24, 31 ++ stbu rTMP, 1(rDEST) ++ blr ++#else ++ rlwinm. rTMP, rALT, 8, 24, 31 + stbu rTMP, 4(rDEST) + beqlr- + rlwinm. rTMP, rALT, 16, 24, 31 +@@ -88,6 +103,7 @@ + CHECK_BOUNDS_HIGH (rDEST, rHIGH, twlgt) + STORE_RETURN_VALUE (rDEST) + blr ++#endif + + /* Oh well. In this case, we just do a byte-by-byte copy. */ + .align 4 +diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/strcpy.S glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/strcpy.S +--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/strcpy.S 2014-05-28 13:40:01.000000000 -0500 ++++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/strcpy.S 2014-05-28 13:40:01.000000000 -0500 +@@ -90,6 +90,32 @@ + mr rALT, rWORD + /* We've hit the end of the string. Do the rest byte-by-byte. */ + L(g1): ++#ifdef __LITTLE_ENDIAN__ ++ extrdi. rTMP, rALT, 8, 56 ++ stb rALT, 8(rDEST) ++ beqlr- ++ extrdi. rTMP, rALT, 8, 48 ++ stb rTMP, 9(rDEST) ++ beqlr- ++ extrdi. rTMP, rALT, 8, 40 ++ stb rTMP, 10(rDEST) ++ beqlr- ++ extrdi. rTMP, rALT, 8, 32 ++ stb rTMP, 11(rDEST) ++ beqlr- ++ extrdi. rTMP, rALT, 8, 24 ++ stb rTMP, 12(rDEST) ++ beqlr- ++ extrdi. rTMP, rALT, 8, 16 ++ stb rTMP, 13(rDEST) ++ beqlr- ++ extrdi. rTMP, rALT, 8, 8 ++ stb rTMP, 14(rDEST) ++ beqlr- ++ extrdi rTMP, rALT, 8, 0 ++ stb rTMP, 15(rDEST) ++ blr ++#else + extrdi. rTMP, rALT, 8, 0 + stb rTMP, 8(rDEST) + beqlr- +@@ -114,6 +140,7 @@ + stb rALT, 15(rDEST) + /* GKM FIXME: check high bound. */ + blr ++#endif + + /* Oh well. In this case, we just do a byte-by-byte copy. */ + .align 4 |